diff --git a/README.md b/README.md
index dabf9d9..eb2f1c8 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,16 @@ Written in [Fennel](https://fennel-lang.org).
 
 ## Installation
 
+Install dependencies:
+
+```bash
+# Debian:
+apt install libqrencode-dev
+
+# Alpine:
+apk add gcompat libqrencode-dev
+```
+
 Install with [luarocks](https://luarocks.org):
 
 ```bash